how to view wallpapers in web forms

Hi
I am using visual studio 2005 for web development.

I am planning to build a website that will display wallpapers.
I am a new to web development and i dot know how to do it.

Here's the scenario

The website root consists of a folder tree like given below

Wallpapers
Hollywood
Heros
Heroens
LatestMoviesWallpapers
Bollywood
Heros
Heroens
LatestMoviesWallpapers
Tollywood
Heros
Heroens
LatestMoviesWallpapers

My website contains a folder tree as given above.

Now i want to show thumbnail view of the Hollywood, Bollywood and Tollywood folders in the default page so that the users can select which folder they want to see.

Once the user clicks on any one of(Hollywood, Bollywood or Tollywood) folder then they should see the internal folders in thumbnail view.

Then once they go into their favorate folder i.e.,(Heros or Heroens or LatestMovieWallpapers) those folders cont ...